Through your scientific genius you have made of the world a neighborhood, but through your moral and spiritual genius you have failed to make of it a brotherhood.

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Source: Paul's Letter to American Christians (1956)

About this quote

In Paul's Letter to American Christians (1956), King uses a focused ethical claim to examine love, with attention to scientific, genius, world. The practical center is the relationship between ethics and failed and brotherhood, giving readers a specific lens for judgment and action.

When to use it

  • A community organizer builds a meeting around scientific before participants choose one measurable action related to love.
  • A teacher pairs the passage from Paul's Letter to American Christians (1956) with a primary-source exercise about ethics and public responsibility.
  • A team leader uses the tension between genius and brotherhood to discuss conduct under pressure.